NOAA S-57 chart cell

North Pacific Ocean to Necker Bay and Whale Bay

US4AK5LI

Usage band
Approach · code 4
Current edition
1.0
Features
2,425
S-57 layers
26
Published
May 10, 2024
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
56.70000° N
South
56.40000° N
West
135.60000° W
East
135.00000° W
Center
56.55000° N, 135.30000° W
Bounds area
358 sq nm
Feature density
6.7801 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
93.3
Smallest layer
1
Largest layer
559
Area sq km
1,227
Features per sq km
1.97675
  1. DEPCNT Depth contour 559
  2. SBDARE Seabed area 535
  3. DEPARE Depth area 464
  4. UWTROC Underwater rock 360
  5. LNDARE Land area 146
  6. COALNE Coastline 115
  7. LNDELV 58
  8. WEDKLP 58
  9. OBSTRN Obstruction 39
  10. WATTUR 23
  11. M_QUAL Data quality 13
  12. SEAARE Sea area 13
  13. SOUNDG Sounding 8
  14. LNDRGN Land region 6
  15. RIVERS River 6
  16. TESARE 5
  17. C_ASSO 4
  18. MAGVAR Magnetic variation 4
  19. M_NPUB 2
  20. ADMARE 1

Nearby Chart Cells

Approach usage band

Current Edition Files

The NOAA ZIP archive is the upstream source for this chart cell; the other files are Open Ships generated derivatives for web and GIS use.

Editions

Edition Published Metadata
1.0 May 10, 2024 metadata.json